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Old 01-10-2021, 06:30 PM   #1
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Default LP Gas Line

Want feedback on way to fix or purge air from LP gas line. Hopefully this is something I can do myself? We have a 2017 Era 70A. Stove burners light but don't stay lit but for a second or two. Assume the line has air in it. Owners manual say take propane dealer. I can't believe the Pilot truck stop attendants will know what to do. Thanks for replies...
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Old 01-10-2021, 07:21 PM   #2
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More likely the thermocouple safety shutoff on the stove is bad. Will it stay lit if you hold the valve down in its "start" position?
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Old 01-11-2021, 04:07 PM   #3
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Quote:
Originally Posted by KYRuss View Post
Owners manual say take propane dealer. I can't believe the Pilot truck stop attendants will know what to do. Thanks for replies...
Pilot Truck Stops are NOT propane dealers! And regretfully, many propane dealers will tell you to take it to a RV repair shop! And many RV repair shops have no clue!
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Old 01-17-2021, 04:52 PM   #4
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When I want to purge air from the propane line, I generally light the stove to get propane to the refrigerator without the Check light activating.

In your case, I would run the furnace. However, I agree it is probably the flame detector that is the problem.
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Old 01-17-2021, 07:45 PM   #5
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I agree with others that probably your "Thermocoupler/Detector" is the culprit. I had a similar problem, and I used an pencil eraser to clean the coupler and all works well since. I think overtime the buildup of "carbon" around the coupler prevents it to send proper signal to the gas valve. Just a suggestion.
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Old 01-17-2021, 08:17 PM   #6
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Wipe the therocouple, lightly with fine sandpaper...did mine 3 years ago, and no issues since...ex HVAC tech
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